main.c revision 15788
1/* 2 * The new sysinstall program. 3 * 4 * This is probably the last attempt in the `sysinstall' line, the next 5 * generation being slated for what's essentially a complete rewrite. 6 * 7 * $Id: main.c,v 1.18 1996/04/28 20:54:03 jkh Exp $ 8 * 9 * Copyright (c) 1995 10 * Jordan Hubbard. All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer, 17 * verbatim and that no modifications are made prior to this 18 * point in the file. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37#include "sysinstall.h" 38#include <stdio.h> 39#include <sys/signal.h> 40 41static void 42screech(int sig) 43{ 44 fprintf(stderr, "\007Fatal signal %d caught! I'm dead..\n", sig); 45 pause(); 46} 47 48int 49main(int argc, char **argv) 50{ 51 int choice, scroll, curr, max; 52 53 /* Catch fatal signals and complain about them if running as init */ 54 if (getpid() == 1) { 55 signal(SIGBUS, screech); 56 signal(SIGSEGV, screech); 57 } 58 59 /* We don't work too well when running as non-root anymore */ 60 if (geteuid() != 0) { 61 fprintf(stderr, "Error: This utility should only be run as root.\n"); 62 return 1; 63 } 64 65 /* Set up whatever things need setting up */ 66 systemInitialize(argc, argv); 67 68 /* Set default flag and variable values */ 69 installVarDefaults(NULL); 70 71 if (argc > 1 && !strcmp(argv[1], "-fake")) { 72 variable_set2(VAR_DEBUG, "YES"); 73 Fake = TRUE; 74 msgConfirm("I'll be just faking it from here on out, OK?"); 75 --argc, ++argv; 76 } 77 78 /* Try to preserve our scroll-back buffer */ 79 if (OnVTY) 80 for (curr = 0; curr < 25; curr++) 81 putchar('\n'); 82 83 /* Probe for all relevant devices on the system */ 84 deviceGetAll(); 85 86 if (argc > 1) { 87 int i; 88 89 for (i = 1; i < argc; i++) { 90 if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS) 91 systemShutdown(1); 92 } 93 systemShutdown(0); 94 } 95 96 /* Begin user dialog at outer menu */ 97 while (1) { 98 choice = scroll = curr = max = 0; 99 dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max); 100 if (getpid() != 1 || !msgYesNo("Are you sure you wish to exit? The system will reboot\n" 101 "(be sure to remove any floppies from the drives).")) 102 break; 103 } 104 105 /* Say goodnight, Gracie */ 106 systemShutdown(0); 107 108 return 0; /* We should never get here */ 109} 110